Question

How many terms are in the expression 5m2 - mn + 4n + 7?
Simplify 11(2x + 3).

Answer 1

4 terms; 22x + 33

Explanation:

5m2 - mn + 4n + 7:

Expressions are made out of terms. A term can be a number, a variable, or a mixture of them. They are either added or subtracted.

In 5m2 - mn + 4n + 7, the terms are:

• 5m2
• mn
• 4n
• 7

There should be 4 terms in the expression.

11(2x+3):

`11(2x+3)\\\text{Distribute.}\\\\11*2x=22x\\11*3=33\\\\11(2x+3)=\boxed{22x+33}`

Answer 2

4 terms

22x+33

Explanation:

1. You count 1, 2, 3, 4 because there are no like terms to combine

2. you can use the distributive property to multiply the terms

(2x times 11) plus (3 times 11)